| Family | ONAGRACEAE |
| Genus species | Oenothera pennellii Munz sect. Oenothera |
| Habitat | dry, stony grassland |
| Description | taproot, leaves 2-6cm, oblong-lanceolate, pinnatifid or serrate, shortly hirsute, flowers axillary, sessile amongst leaves or shortly pedicellate, petals 6-8mm, emarginate |
| Size | 5-12cm |
| Color | yellow |
| Bloom | late spring, summer |
| Ca | |
| Type | rosette, tuft |
| Cultivation | sunny site with a deep, drained soil alpine house, rich, drained soil, sun |
| Propagation | seed in spring, barely covered, germ. 1-3 months, 18-21°C cuttings in late summer |
| Territory |
Northern America
Mexico (Mexico Northeast) |
| Bibliography | Plants of the World online powo.science.kew.org International Plant Names Index www.ipni.org |
| Comments | ONAGRACEAE
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